Home / 3,648.18-5,437.56-3,440.57

Finding the Fourth Proportional to 3,648.18, 5,437.56 and 3,440.57

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Solution

The fourth proportional to 3,648.18, 5,437.56 and 3,440.57 is: 5,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.18 : 5,437.56 = 3,440.57 : x
  2. Step 2: Convert to fraction form
    3,648.18/5,437.56 = 3,440.57/x
  3. Step 3: Cross multiply
    3,648.18x = 5,437.56 × 3,440.57
  4. Step 4: Simplify right side
    3,648.18x = 18,708,278.62
  5. Step 5: Solve for x
    x = 18,708,278.62/3,648.18
  6. Step 6: Final answer
    x = 5,128.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.